(b) Figure 2 below shows the Fe K-edge XANES for iron metal and iron oxides. (Note that the label "Fe2O3" refers to (gamma) y-Fe2O3, also known as maghemite.) Briefly discuss why the pre-edge peaks, and the positions of the main absorption edge, are different for each compound shown in the figure.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1
Fe
FeO,
FeO
FeO
7100
7120
7140
7160
7180
7200
E(eV)
Figure 2: Fe K-edge XANES for iron metal and iron oxides
Intensity (a.u.)
Transcribed Image Text:Fe FeO, FeO FeO 7100 7120 7140 7160 7180 7200 E(eV) Figure 2: Fe K-edge XANES for iron metal and iron oxides Intensity (a.u.)
(b) Figure 2 below shows the Fe K-edge XANES for iron metal and iron oxides.
(Note that the label "Fe2O3" refers to (gamma) y-Fe2O3, also known as maghemite.)
Briefly discuss why the pre-edge peaks, and the positions of the main absorption
edge, are different for each compound shown in the figure.
Transcribed Image Text:(b) Figure 2 below shows the Fe K-edge XANES for iron metal and iron oxides. (Note that the label "Fe2O3" refers to (gamma) y-Fe2O3, also known as maghemite.) Briefly discuss why the pre-edge peaks, and the positions of the main absorption edge, are different for each compound shown in the figure.
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